Westerman Hattori Daniels & Adrian, LLP

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Ryan B. Chirnomas

Ryan B. Chirnomas


phone 703-827-3811

fax 571-395-8753

People Details



Mr. Chirnomas focuses his practice on patent prosecution before the U.S. Patent and Trademark Office, specializing in biotechnology, pharmaceutical and mechanical engineering inventions.  He uses effective communication and problem solving skills in order to help clients obtain strong patent protection in an efficient manner.  He is also experienced in front of the Board of Patent Appeals and Interferences, having successfully persuaded the Board to reverse rejections in numerous Oral Hearings.  Mr. Chirnomas also provides clients with guidance they need by preparing freedom-to-operate and non-infringement opinions.  He also writes and lectures on recent developments in patent law, with a particular focus on biotechnology. 

Prior to joining the firm, Mr. Chirnomas worked in the Glushko-Samuelson Intellectual Property Law Clinic at the Washington College of Law, American University, where he applied intellectual property law to the public interest.   Before pursuing a career in intellectual property, Mr. Chirnomas was a researcher at the University of Arizona’s Laboratory of Mammary Gland Biology, where he investigated the influence of environmental toxins on the expression of the BRCA1 gene, which is a DNA repair gene tied to breast and ovarian cancers.

Outside of the office, Mr. Chirnomas’s hobbies and interests include historic automobiles, cycling and music.